1 . 已知点
的坐标满足条件
,点O为坐标原点,那么|OP|的最大值等于___ .
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572981576130560/1572981581537280/STEM/af507a5f04fc40788e5bf2f1b450180c.png?resizew=51)
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572981576130560/1572981581537280/STEM/53cbeb3cfd034dea95248f2ffd750b48.png?resizew=71)
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2 . 已知数列{an}满足an+1+2an=0,a2=﹣6,则{an}的前10项和等于______________ .
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解题方法
3 . 记不等式组
所表示的平面区域为
,若直线
与
有公共点,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3cd9aa3a00d20ba7fe32f31d33977a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b82c7fc649b5851712800b86ad4459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
4 . 如图,为了测量河对岸
、
两点之间的距离,观察者找到一个点
,从点
可以观察到点
、
;找到一个点
,从点可以观察到点
、
;找到一个点
,从点可以观察到点
、
;并测量得到一些数据:
,
,
,
,
,
,
,则
、
两点之间的距离为__________ .(其中
取近似值
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af06c3e5c23753ec360a7a6163e1809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4a288554fe25fe0a72530eb29756e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63548b884796383e947edf1f482a58cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9940b278b4012a14babdebceacb7c4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85606e0da32c310498a087179d247b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4ea9ffbbabd6b5c90e4678c15bb1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68924d8a289c374867cd65d639a23829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://img.xkw.com/dksih/QBM/2017/12/19/1841866643152896/1842644514127872/STEM/3e00abf4d1dc4e7cb5150c881e44e8da.png?resizew=172)
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2016-12-04更新
|
681次组卷
|
9卷引用:2016届广东省华南师大附中高三5月测试文科数学试卷
2016届广东省华南师大附中高三5月测试文科数学试卷河南省漯河市高级中学2018届高三上学期第四次模拟考试(12月)数学(理)试题河北省衡水中学2018届高三上学期九模考试数学(理)试题(已下线)《高频考点解密》—解密09 正、余弦定理及解三角形(已下线)解密08 正、余弦定理及解三角形-备战2018年高考文科数学之高频考点解密【校级联考】安徽省定远重点中学2019届高三上学期期末考试数学(理)试题人教A版(2019) 必修第二册 突围者 第六章 模拟高考检测河南省实验中学2021-2022学年高三上学期11月月考数学理科试题河南濮阳外国语学校2021-2022学年高三上学期1月测试数学(理)试题
5 . 设
是数列
的前
项和,且
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4123422b5a6621da6a3214aa8c3e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995b9bab96cdffba95f2aed5858d53ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
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6 . 已知
的三个内角
、
、
满足
,
,则
的值为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4830a5e6437787c7cfc05f8b5c3ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa5694373bd78b1ca2180f831bf1c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2252dec4cf2fd59caff617269567806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66a268d6f46e0e9d5d9151b785be60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fda2591ba0e286feef0c090af498c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb0cb7cf6eef02a0f05e77fc3dd35b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1830e64ba46e1c9c8a29f16bac02b32.png)
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7 . 已知点
的坐标满足条件
,那么点
到直线
的最小值为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1672bf7c0f0348982434f8e82ef819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b353261999364574c2d2763daaa3a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab653ffa6acf8b28096ff54719579d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4a10f3d05f0f4c9e592840ed77ec75.png)
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8 . 若数列
满足
,且
,则通项![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944112640/STEM/697c21dee1a74b7eb55e02cf53194067.png?resizew=33)
________________ .
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944112640/STEM/f044d97c20264b08a1bfbca78ad6b4cb.png?resizew=31)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944112640/STEM/ec76a4577ab54bc2a88f9aa2bda81d90.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944112640/STEM/be66a36bab2643569b6fac2e18df3eac.png?resizew=100)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944112640/STEM/697c21dee1a74b7eb55e02cf53194067.png?resizew=33)
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9 . 关于
的不等式
的解集为________________ .
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944063488/STEM/db035463d0e341f59f73beb6242258b2.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944063488/STEM/55355209c18b4fa6926bbc0e767dedc6.png?resizew=136)
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10 . 在锐角
中,
,
,则
的值等于____________ .
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944047104/STEM/57d30de2f0074eefb992302046179efe.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944047104/STEM/59cf5b64be3046ea880e940530433470.png?resizew=49)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944047104/STEM/079a88b88fd14bf9b186c4e750433ac4.png?resizew=52)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572822938591232/1572822944047104/STEM/5640200be5524de7bdd3b773daddc6b4.png?resizew=41)
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